KJ Buckle Straps

Replacement straps for all KJ models - KJ PowerShoe, KJ-XR3 and KJ Pro series rebound shoes. The shorter strap is only for the buckle closest to toes. KJ PowerShoes and KJ-XR3 series XS and S size boots require 1 Short and 1 Long Straps. KJ-XR3 series M, L and XL size boots require 1 Short and 2 Long Straps. How to change them? 
 
Available in pairs:
Sold as 1 Short and 1 Long
Sold as 2 Long
Sold as 2 Short